An innovative gas trading platform

The gasTrading Spot Market™ provides a flexible platform to buy and sell gas within the Western Australian market. Through a structured monthly bidding process and price discovery, the platform enables producers, suppliers and end users to access competitive pricing, manage supply risk and optimise portfolio outcomes.

About the
Spot Market

Market pricing and supply dynamics

Pricing in the gasTrading Spot Market™ reflects near-term supply and demand dynamics across the Western Australian gas market.

Market outcomes are influenced by a range of operational and commercial factors. By aggregating supply and demand signals from across the market, the gasTrading Spot Market™ provides participants with an efficient mechanism for price discovery.

Points of supply

Gas traded through the spot market is sourced from producers and wholesale suppliers connected to Western Australia’s transmission pipeline network.

Gas is traded at the northern inlet points of the Dampier to Bunbury Natural Gas Pipeline.

Market participants

gasTrading Spot Market™ is open to all participants operating within the Western Australian gas market.

Participants may include:

  • Gas producers and suppliers
  • Large industrial and mining companies
  • Energy generators
  • Commercial energy users
  • Aggregated supply participants

EMG facilitates participation through standard form contracts, coordinates market invitations, bid submissions and manages the financial settlement processes. EMG also acts as an agent for sellers, and as a seller to improve liquidity in the market.

Market
participation

Participation guidelines

To ensure transparent and efficient market operation, participation follows a structured monthly process:

  1. Sellers provide EMG pricing and quantities on offer.
  2. Market invitations are issued to subscribed recipients outlining available supply opportunities for the next month.
  3. Interested buyers submit bids reflecting volume and price preferences.
  4. EMG ranks bids and allocates supply according to price and quantity.
  5. Unsuccessful buyers are offered supply at the price for any remaining supply.
  6. Successful buyers enter into short-term gas supply arrangements with matched sellers.
  7. For intra-month buyers a BackUp Gas Price is published at the start of the month, which reflects the market dynamic at that point in time.

This process supports efficient gas allocation while maintaining commercial flexibility for market participants.

Subscribe to the gasTrading Spot Market™ invitation

Sign up to receive our monthly invitation and opportunity to bid.

Invitation subscription will only be provided with your consent as part of the subscription process. You may unsubscribe at any time. There is no cost or charge for subscription to our invitation. Subscriptions are subject to our Privacy Policy and Terms of Use.

I agree*

To be eligible to subscribe to the EMG gasTrading Spot Market™ invitation, website users must:

  • where the user is a business, be a registered business in Australia with an ABN; and
  • have a bona fide interest in the domestic gas market in WA.

EMG, in its absolute discretion, may qualify or disqualify a user from subscribing to the invitation.

Bid information

The gasTrading Spot Market™ operates through a monthly bid invitation issued to subscribed recipients.

Each invitation outlines key commercial parameters including:

  • Expected available gas volumes for sale
  • Bid submission timelines
  • Participation requirements

Contracted buyers assess opportunities and may submit competitive bids for available gas supply.

Market data

The gasTrading Spot Market™ maintains historical market information to support transparency and informed decision-making for participants and market observers.

Invitations

Current invitation

Download the current invitation for May, 2026.

View / download 260501_May_2026_Invitation.pdf

Previous invitations